//traitement pagination
		$nbre_annonces_par_page = 10;
		$nbre_pages_max_gauche_et_droite = 2;
		$last_page = ceil($nb / $nbre_annonces_par_page);
		if(isset($_GET['page']) && is_numeric($_GET['page'])){
		$page_num = $_GET['page'];
		} else {
		$page_num = 1;
		}
		if($page_num < 1){
		$page_num = 1;
		} else if($page_num > $last_page) {
		$page_num = $last_page;
		}
		$limit = 'LIMIT '.($page_num - 1) * $nbre_annonces_par_page. ',' . $nbre_annonces_par_page;
		
		$pagination = '';
		if($last_page != 1){
		if($page_num > 1){
		$previous = $page_num - 1;
		$pagination .= '<a href="sortie.php?page='.$previous.'" class="page" data-page="'.$previous.'" data-du="'.$du.'" data-au="'.$au.'"><i class="fa fa-angle-left"></i>
</a> &nbsp; &nbsp;';
		for($i = $page_num - $nbre_pages_max_gauche_et_droite; $i < $page_num; $i++){
		if($i > 0){
		$pagination .= '<a href="sortie.php?page='.$i.'" class="page" data-page="'.$i.'" data-du="'.$du.'" data-au="'.$au.'">'.$i.'</a> &nbsp;';
		}
		}
		}
		$pagination .= '<span class="active">'.$page_num.'</span>&nbsp;';
		for($i = $page_num+1; $i <= $last_page; $i++){
		$pagination .= '<a href="sortie.php?page='.$i.'" class="page" data-page="'.$i.'" data-du="'.$du.'" data-au="'.$au.'">'.$i.'</a> ';
		if($i >= $page_num + $nbre_pages_max_gauche_et_droite){
		break;
		}
		}
		if($page_num != $last_page){
		$next = $page_num + 1;
		$pagination .= '<a href="sortie.php?page='.$next.'" class="page" data-page="'.$next.'" data-du="'.$du.'" data-au="'.$au.'"><i class="fa fa-angle-right"></i>
</a> ';
		}
		}

		$sql .= " ORDER BY loisirs.id_loisirs DESC LIMIT ".intval(($page-1)*$parPage).", ".$parPage;

// Phase Test
		$url_en_cours = "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
		$pattern = "#page-\d*\.html$#i ";
		$replacement = '${1}1,$3';
		$url_modifier = preg_replace($pattern, $replacement, $url_en_cours);
		//echo $url_modifier;

if ($page < 2) {
  $lienPrecedent = "grenoble.html";
  $lienSuivant = "grenoble-page-2.html";
}
else{
  $lienPrecedent = "grenoble-page-" . ($page - 1) . ".html";
  $lienSuivant = "grenoble-page-" . ($page + 1) . ".html"; // avec éventuellement un test pour savoir si la page+1 existe :)
}

// Phase Test
	$url_en_cours = "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
        $pattern = "#page-\d*\.html$#i ";
        $replacement = '${1}1,$3';
	$url_modifier = preg_replace($pattern, $replacement, $url_en_cours);
	echo $url_modifier;

$pagination .= '<a href="'.$url_modifier.'page-'.$next.'.html" class="page" data-page="'.$next.'" data-du="'.$du.'" data-au="'.$au.'"><i class="fa fa-angle-right"></i>
</a> ';

<?php
$string = 'April 15, 2003';
$pattern = '/(\w+) (\d+), (\d+)/i';
$replacement = '${1}1,$3';
echo preg_replace($pattern, $replacement, $string);
?>

$url_en_cours = "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
$rest_url = substr($url_en_cours, 0, -12);  // retourne "abcde"

$monUrl = "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];

$pagination .= '<a href="'.$monUrl.'-page-'.$next.'.html" class="page" data-page="'.$next.'" data-du="'.$du.'" data-au="'.$au.'"><i class="fa fa-angle-right"></i>